import java.util.ArrayList;
import java.util.List;


public class No6 {
	public static void main(String[] args) {
		List<String> productCodeList = new ArrayList<String>();
		productCodeList.add("00001");
		productCodeList.add("00002");
		productCodeList.add("00003");
		productCodeList.add("00004");
		productCodeList.add("00005");
		
		System.out.println(productCodeList.contains("00003"));
		System.out.println(productCodeList.contains("00006"));
	}
}
